Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5981786 | Process for producing (meth)acrylate derivatives | Shigeru Kitano, Toshihiko Ohta, Hiroshi Suzuki, Akio Hayashi, Kazuo Matsuyama +1 more | 1999-11-09 |
| 5883152 | Contact lens | Keizo Anan, Naoyuki Amaya, Tuyoshi Miyazaki | 1999-03-16 |
| 5478575 | Polymers having benzeneboronic acid groups and insulin complexes of same of a sugar response type | Tsuyoshi Miyazaki, Daijiro Shiino, Kazunori Waki, Yasuhisa Sakurai, Teruo Okano +4 more | 1995-12-26 |
| 5461433 | Highly hydrous soft contact lens and a treating solution for contact lenses | Nobuo Nakabayashi, Kazuhiko Ishihara, Nobuharu Nakada, Takeo Matsumoto, Yasumi Koinuma | 1995-10-24 |
| 5209847 | Ultrathin membrane of polymethacrylate or polycrotonate and device provided with ultrathin membrane | Norihiro Kaiya, Naoyuki Amaya, Mikio Takagi, Kazuichi Tsuda, Kiyotaka Shigehara +2 more | 1993-05-11 |
| 5130126 | Polymer-drug conjugate and a method of producing it | Yoshiyuki Koyama, Shuji Kojima, Tsuyoshi Miyazaki, Akinori Suginaka, Takeo Matsumoto | 1992-07-14 |
| 4948854 | Transparent optical article and process for preparing same | Naoyuki Amaya, Keizo Anan, Takao Mogami, Yoshio Sano, Haruhiro Ikebe +1 more | 1990-08-14 |
| 4933406 | Contact lens article made of silicon- and fluorine-containing resin | Keizo Anan, Naoyuki Amaya, Takayuki Otsu, Hiroshi Kawashima, Satoshi Kubota +1 more | 1990-06-12 |
| 4930879 | Synthetic resin lens | Takeaki Iryo, Satoshi Kubota, Yoshio Sano, Yasumi Koinuma | 1990-06-05 |
| 4907038 | Langmuir Blodgett ultrathin membrane of polyfumarate | Kiyotaka Shigehara, Akira Yamada, Masahiko Hara, Hidenari Nakahama, Seizo Miyata | 1990-03-06 |
| 4855374 | Optical resin from diallyl esters | Yasumi Koinuma, Naoyuki Amaya, Takayuki Otsu, Masafumi Nisimura | 1989-08-08 |
| 4670520 | Method for modifying polyfumaric acid diester | Takayuki Otsu, Naoyuki Amaya | 1987-06-02 |